Outer surface of a cover for a casement window operator



FIG. 1 is a top front perspective view of an outer surface of a cover for a casement window operator embodying our design in accordance with the present invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an opposite side elevational view thereof;

FIG. 5 is an end elevational view thereof; and,

FIG. 6 is an opposite end elevational view thereof. 

The ornamental design for a outer surface of a cover for a casement window operator, as shown and described. 